Unity: Press 'K' to take screenshots

EasyScreenshot.cs

using UnityEngine;
using System.Collections;

public class EasyScreenshot : MonoBehaviour
{
    #region inspector properties
    [SerializeField]
    private int superSize = 1;
    [SerializeField]
    private string directory = "screenshots";
    [SerializeField]
    private string label = "default";
    #endregion
    
    public static string ScreenShotName(string directory, string tag)
    {
        var timestamp = System.DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss");
        var relativePath = string.Format("{0}/{1}_{2}.png", directory, tag, timestamp);
        var projectPath = System.IO.Path.GetDirectoryName(Application.dataPath);

        return System.IO.Path.Combine(projectPath, relativePath);
    }

    void LateUpdate()
    {
        if (Input.GetKeyDown("k"))
        {
            var path = ScreenShotName(directory, label);
            Debug.LogFormat("Capturing screenshot at: {0}", path);
            Application.CaptureScreenshot(path, superSize);
        }
    }

}